JPWO2013111256A1 - 二次電池 - Google Patents
二次電池 Download PDFInfo
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- JPWO2013111256A1 JPWO2013111256A1 JP2013523432A JP2013523432A JPWO2013111256A1 JP WO2013111256 A1 JPWO2013111256 A1 JP WO2013111256A1 JP 2013523432 A JP2013523432 A JP 2013523432A JP 2013523432 A JP2013523432 A JP 2013523432A JP WO2013111256 A1 JPWO2013111256 A1 JP WO2013111256A1
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- battery
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- metal foil
- insulating sheet
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- 239000011888 foil Substances 0.000 claims abstract description 66
- 229910052751 metal Inorganic materials 0.000 claims abstract description 63
- 239000002184 metal Substances 0.000 claims abstract description 63
- 238000004804 winding Methods 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims abstract description 42
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 239000012212 insulator Substances 0.000 claims abstract description 6
- 238000003475 lamination Methods 0.000 claims abstract description 3
- 238000005452 bending Methods 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 238000005304 joining Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000011149 active material Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- -1 lithium hexafluorophosphate Chemical compound 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- QHGJSLXSVXVKHZ-UHFFFAOYSA-N dilithium;dioxido(dioxo)manganese Chemical compound [Li+].[Li+].[O-][Mn]([O-])(=O)=O QHGJSLXSVXVKHZ-UHFFFAOYSA-N 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920000069 polyphenylene sulfide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/155—Lids or covers characterised by the material
- H01M50/157—Inorganic material
- H01M50/159—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Cell Separators (AREA)
Abstract
Description
[全体構造]
本発明の二次電池を、角形のリチウムイオン二次電池に適用した場合について、図面と共に説明する。
次に、絶縁シート5の構成について図2を参照して説明する。
次に、本発明の二次電池が適用される第2実施形態について以下に説明する。なお、第1実施形態と同様の構成要素には同一の符号を付することでその詳細な説明を省略する。
次に、第3実施形態について以下に説明する。なお、上述の第1、第2実施形態と同様の構成要素には、同一の符号を付することでその詳細な説明を省略する。
次に、第4実施形態について以下に説明する。なお、第1〜第3実施形態と同様の構成要素には同一の符号を付することでその詳細な説明を省略する。
次に、第5実施形態について以下に説明する。上述の第1〜第4実施形態と同様の構成要素には、同一の符号を付することでその詳細な説明を省略する。
2 電池容器
3 電池蓋
4 電池缶
5 絶縁シート
11 注液栓
13 安全弁
14 第1の絶縁シート
15、16 第2の絶縁シート
21 正極側集電板
31 負極側集電板
40 捲回電極群
41 正極電極
41b 正極合剤層
41c 正極金属箔露出部(正極合剤未処理部)
42 負極電極
42b 負極合剤層
42c 負極金属箔露出部(負極合剤未処理部)
Claims (7)
- 金属箔に合剤層が形成された電極を捲回した捲回電極群と、前記捲回電極群を収容する電池缶と、前記捲回電極群と前記電池缶との間に介在される絶縁体とを有する二次電池であって、
前記絶縁体は、前記捲回電極群の捲回軸方向中央に形成された合剤層積層領域と前記電池缶との間に介在される部位よりも、前記捲回電極群の捲回軸方向両側に形成された一対の金属箔露出部と前記電池缶との間に介在される部位の方が厚さが厚いことを特徴とする二次電池。 - 前記合剤層積層領域を覆う第1の絶縁シートと、
前記一対の金属箔露出部を覆う一対の第2の絶縁シートと、を有し、
前記一対の第2の絶縁シートは、前記第1の絶縁シートよりもシート厚みが厚いことを特徴とする請求項1に記載の二次電池。 - 前記金属箔露出部に接続される集電板を有し、
前記一対の第2の絶縁シートは、前記金属箔露出部と前記集電板を覆う構成を有することを特徴とする請求項2に記載の二次電池。 - 前記集電板が取り付けられる電池蓋を有し、
前記集電板は、前記電池蓋と前記金属箔露出部との間に介在される本体部を有し、
前記一対の第2の絶縁シートは、前記金属箔露出部と前記本体部との間に介在される第1絶縁部と、前記本体部と前記電池蓋との間に介在される第2絶縁部を有することを特徴とする請求項3に記載の二次電池。 - 前記一対の第2の絶縁シートは、接続部で互いに接続されており、
該接続部は、前記捲回電極群と対向する位置に開口部が設けられていることを特徴とする請求項3に記載の二次電池。 - 予め設定された一定の厚さを有する1枚の絶縁シートを折り曲げることによって、前記第1の絶縁シートと前記第2の絶縁シートを構成したことを特徴とする請求項2に記載の二次電池。
- 前記金属箔露出部に接続される集電板を有し、
予め設定された一定の厚さを有する1枚の絶縁シートに対して、前記金属箔露出部と前記電池缶との間、及び、前記集電板と前記電池缶との間に介在される部分にさらに1枚以上の他の絶縁シートを貼り合わせて前記第1の絶縁シートと前記第2の絶縁シートを構成したことを特徴とする請求項2に記載の二次電池。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/051298 WO2013111256A1 (ja) | 2012-01-23 | 2012-01-23 | 二次電池 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013159245A Division JP5841571B2 (ja) | 2013-07-31 | 2013-07-31 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP5336024B1 JP5336024B1 (ja) | 2013-11-06 |
JPWO2013111256A1 true JPWO2013111256A1 (ja) | 2015-05-11 |
Family
ID=48873029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013523432A Active JP5336024B1 (ja) | 2012-01-23 | 2012-01-23 | 二次電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20140377607A1 (ja) |
EP (1) | EP2808925A4 (ja) |
JP (1) | JP5336024B1 (ja) |
CN (1) | CN104067411A (ja) |
WO (1) | WO2013111256A1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2433329A4 (en) | 2009-05-20 | 2013-08-07 | Johnson Controls Saft Advanced | LITHIUM ION BATTERY MODULE |
JP6056254B2 (ja) * | 2012-08-13 | 2017-01-11 | 株式会社豊田自動織機 | 蓄電装置 |
JP5925142B2 (ja) * | 2013-02-21 | 2016-05-25 | 日立オートモティブシステムズ株式会社 | 二次電池 |
JP6160350B2 (ja) * | 2013-08-06 | 2017-07-12 | 株式会社豊田自動織機 | 蓄電装置 |
JP6107539B2 (ja) * | 2013-08-28 | 2017-04-05 | 株式会社豊田自動織機 | 蓄電装置 |
JP2015060712A (ja) * | 2013-09-18 | 2015-03-30 | 株式会社東芝 | 二次電池 |
DE102014202348A1 (de) * | 2014-02-10 | 2015-08-13 | Robert Bosch Gmbh | Vorrichtung und Verfahren zur Erhöhung der Sicherheit beim Gebrauch von Batteriesystemen |
KR102197407B1 (ko) * | 2014-03-10 | 2020-12-31 | 삼성에스디아이 주식회사 | 절연부재를 갖는 이차 전지 |
DE102014205031A1 (de) | 2014-03-18 | 2015-09-24 | Volkswagen Ag | Brennstoffzellenvorrichtung mit Spülgaspfad |
DE102015201658A1 (de) * | 2015-01-30 | 2016-08-04 | Robert Bosch Gmbh | Batteriezelle und Batteriesystem |
JP6208708B2 (ja) * | 2015-03-31 | 2017-10-04 | トヨタ自動車株式会社 | リチウムイオン二次電池およびそれを用いたシステム |
JP6264663B2 (ja) | 2015-04-03 | 2018-01-24 | トヨタ自動車株式会社 | 電池 |
JP6521779B2 (ja) * | 2015-07-23 | 2019-05-29 | 日立オートモティブシステムズ株式会社 | 二次電池 |
KR102524471B1 (ko) * | 2015-09-18 | 2023-04-24 | 삼성에스디아이 주식회사 | 이차전지 |
WO2017158702A1 (ja) * | 2016-03-14 | 2017-09-21 | 株式会社村田製作所 | 蓄電デバイス |
WO2017158704A1 (ja) * | 2016-03-14 | 2017-09-21 | 株式会社村田製作所 | 蓄電デバイス |
JP6867610B2 (ja) * | 2016-06-24 | 2021-04-28 | 株式会社Gsユアサ | 蓄電素子 |
JP6809860B2 (ja) * | 2016-09-30 | 2021-01-06 | ビークルエナジージャパン株式会社 | 二次電池 |
JP2018147618A (ja) * | 2017-03-02 | 2018-09-20 | 株式会社Gsユアサ | 蓄電素子 |
JP2020071898A (ja) * | 2017-03-03 | 2020-05-07 | 株式会社Gsユアサ | 蓄電素子 |
JP7230537B2 (ja) | 2018-01-31 | 2023-03-01 | 株式会社Gsユアサ | 蓄電素子 |
JP7118242B2 (ja) * | 2019-03-20 | 2022-08-15 | ビークルエナジージャパン株式会社 | 二次電池 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09120842A (ja) * | 1995-10-26 | 1997-05-06 | Sony Corp | リチウムイオン二次電池 |
KR100599709B1 (ko) * | 2004-07-28 | 2006-07-12 | 삼성에스디아이 주식회사 | 이차 전지 |
JP4806270B2 (ja) | 2006-02-21 | 2011-11-02 | 三洋電機株式会社 | 角形電池 |
KR100807029B1 (ko) * | 2006-03-28 | 2008-02-25 | 삼성에스디아이 주식회사 | 이차전지 |
JP5274026B2 (ja) * | 2008-01-11 | 2013-08-28 | 三洋電機株式会社 | 角形電池 |
JP5257697B2 (ja) * | 2009-06-12 | 2013-08-07 | トヨタ自動車株式会社 | 電池 |
JP5537094B2 (ja) | 2009-08-27 | 2014-07-02 | 株式会社東芝 | 電池 |
US8574753B2 (en) * | 2009-08-27 | 2013-11-05 | Kabushiki Kaisha Toshiba | Battery comprising a conductive nipping member |
KR101137363B1 (ko) * | 2009-11-16 | 2012-04-23 | 에스비리모티브 주식회사 | 이차전지 |
JP5591569B2 (ja) * | 2010-02-05 | 2014-09-17 | 三洋電機株式会社 | 角形電池及びその製造方法ならびにこれを用いてなる組電池 |
JP5452303B2 (ja) * | 2010-03-23 | 2014-03-26 | 日立ビークルエナジー株式会社 | 二次電池とその製造方法 |
EP2549562B1 (en) * | 2010-06-21 | 2016-12-14 | Kabushiki Kaisha Toshiba | Battery |
-
2012
- 2012-01-23 CN CN201280067872.9A patent/CN104067411A/zh active Pending
- 2012-01-23 US US14/373,453 patent/US20140377607A1/en not_active Abandoned
- 2012-01-23 WO PCT/JP2012/051298 patent/WO2013111256A1/ja active Application Filing
- 2012-01-23 EP EP12866530.4A patent/EP2808925A4/en not_active Withdrawn
- 2012-01-23 JP JP2013523432A patent/JP5336024B1/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP2808925A1 (en) | 2014-12-03 |
WO2013111256A1 (ja) | 2013-08-01 |
CN104067411A (zh) | 2014-09-24 |
JP5336024B1 (ja) | 2013-11-06 |
US20140377607A1 (en) | 2014-12-25 |
EP2808925A4 (en) | 2015-10-21 |
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